A research procedure in which the scientist has complete control over all aspects of the study is called:
a. A quasi-experiment
b. A survey
c. A true experiment
d. An archival study
c
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The t statistic differs from z in that
a. it applies to variances. b. it is used when population variances are not known. c. it involves an assumption of normality. d. and b) but not c).
The term ____________________ refers to what a drug user develops over time, which results in more and more of the drug's being needed to produce the same effect
Fill in the blank(s) with correct word
The birds that were eating at the bird feeder initially flew away when the shadow of Charlie's kite passed over the feeder. However, after Charlie had been flying the kite for 15 minutes, the birds had all returned and didn't stop feeding when the kite passed overhead. The birds' change in responsiveness illustrates the learning process known as:
a. sensitization b. habituation c. second-order conditioning d. negative reinforcement
A researcher wished to study the relationship between high school grades and college grades. Of the following research methods, which would be the most appropriate?
a) case study b) correlation c) experiment d) survey